国家劳动总局劳动保护局和商业部纺织品局等单位于今年5月26—28日,在北京召开了防噪声耳塞选型会。参加会议的有声学、医学卫生、耳塞研制和生产及商业部门等26个单位,36名代表。近几年来.北京、上海、天津等地相继研制成功了多种隔声性能和舒适性较好的泡沫塑料耳塞、塑料耳 Labor Protection Bureau of the State Administration of Labor and Textile Department of the Ministry of Commerce and other units on May 26-28 this year, held in Beijing, a selection of anti-noise earplugs. There were 26 units and 36 delegates attending the conference including acoustics, medical and health care, earplugs development and production and commercial departments. In recent years, Beijing, Shanghai, Tianjin and other places have successfully developed a variety of sound insulation performance and comfort of foam plugs, plastic ear